Zip code 51545: Little Sioux, Iowa

Q: What city is zip code 51545?

51545 is assigned to Little Sioux, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 51545 in?

51545 is mostly in Harrison County, but it extends into 1 other county.

Q: What is the population of 51545?

About 267 people live in 51545, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51545?

The median household income in 51545 is $70,313.

Q: What zip codes are near 51545?

The closest zip codes to 51545 are 51523, 51564, 51557, 51558, 68061.

Residential delivery areaHarrison CountyCentral Time

Population

267

Small sample: rough estimates

Median household income

$70K

U.S. $81K

Median home value

$80K

U.S. $333K

Median rent

$508/mo

U.S. $1,413

Median age

58.7

U.S. 38.9

Land area

46 sq mi

6 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 51545

51545 is a rural zip code in Little Sioux, Iowa (Harrison County), covering 46 sq mi of land. About 267 people live here, or 6 per square mile. The median resident is 58.7 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $70,313 a year, close to the national median of $80,734. 16.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $80,000, or 1.1 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 86% of occupied homes are lived in by their owners, and renters pay a median of $508 a month.

6% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 41.1 minutes each way, and 21% of workers work from home. The most common jobs among working residents are in office and administrative support; healthcare; and construction and repair.

How 51545 compares

Sorted from highest to lowest national percentile

Only about 267 people live here, so these survey estimates have wide margins of error.

Median age58.7
99th
U.S. 38.9 · IA 38.645th of 911 in IA
Healthcare workers23.5%
99th
U.S. 9.7% · IA 9.2%14th of 911 in IA
Government workers31.1%
99th
U.S. 14.5% · IA 14.5%15th of 911 in IA
Average commute41.1 min
98th
WeaknessU.S. 26.4 min · IA 19.8 min8th of 902 in IA
Housing vacancy24.3%
96th
U.S. 10.1% · IA 8.5%49th of 909 in IA
Residents 65 and older29.6%
96th
U.S. 17.2% · IA 18.1%105th of 911 in IA
Veterans10.7%
92nd
U.S. 6.2% · IA 6.5%116th of 911 in IA
Homeownership rate85.5%
90th
StrengthU.S. 65.2% · IA 71.7%321st of 909 in IA
Work from home21%
80th
U.S. 15.1% · IA 11.3%57th of 911 in IA
Rent-burdened renters57.1%
74th
U.S. 51.1% · IA 43.9%113th of 882 in IA
Poverty rate16.1%
73rd
U.S. 12.5% · IA 11.1%138th of 909 in IA
Median earnings per worker$49,226
53rd
U.S. $49,666 · IA $47,712364th of 910 in IA
Income inequality (Gini)0.427
42nd
U.S. 0.483 · IA 0.444280th of 908 in IA
Median household income$70,313
36th
U.S. $80,734 · IA $75,059544th of 896 in IA
Per capita income$32,551
26th
U.S. $44,673 · IA $40,877719th of 911 in IA
Uninsured rate3.7%
19th
StrengthU.S. 8.4% · IA 5%440th of 911 in IA
Diversity index10.1
4th
U.S. 61.4 · IA 31.4582nd of 911 in IA
Residents under 1812.4%
4th
U.S. 22% · IA 22.9%848th of 911 in IA
Self-employed workers5%
4th
U.S. 10% · IA 10.2%838th of 911 in IA
Population267
1st
U.S. 334,922,499 · IA 3,210,507814th of 911 in IA
Population density6/sq mi
1st
U.S. 95/sq mi · IA 58/sq mi877th of 911 in IA
Median home value$80,000
1st
U.S. $332,700 · IA $208,000852nd of 881 in IA
Median gross rent$508
1st
U.S. $1,413 · IA $972750th of 771 in IA
Bachelor's degree or higher5.8%
1st
WeaknessU.S. 35.7% · IA 31.4%879th of 911 in IA
Unemployment rate0.8%
1st
StrengthU.S. 5.2% · IA 3.6%695th of 911 in IA
Broadband access68.7%
1st
WeaknessU.S. 91% · IA 88.9%894th of 909 in IA
Foreign-born residents0%
1st
U.S. 14.1% · IA 5.9%789th of 911 in IA
Tech workers0%
1st
U.S. 3.8% · IA 2.9%742nd of 911 in IA

Measure	51545	Harrison	IA	U.S.	National percentile	Rank in IA
Median age	58.7	42.1	38.6	38.9	99th	45th of 911
Healthcare workers	23.5%	9.4%	9.2%	9.7%	99th	14th of 911
Government workers	31.1%	17.1%	14.5%	14.5%	99th	15th of 911
Average commuteWeakness	41.1 min	26.2 min	19.8 min	26.4 min	98th	8th of 902
Housing vacancy	24.3%	9.1%	8.5%	10.1%	96th	49th of 909
Residents 65 and older	29.6%	20.1%	18.1%	17.2%	96th	105th of 911
Veterans	10.7%	8.6%	6.5%	6.2%	92nd	116th of 911
Homeownership rateStrength	85.5%	77.1%	71.7%	65.2%	90th	321st of 909
Work from home	21%	9.6%	11.3%	15.1%	80th	57th of 911
Rent-burdened renters	57.1%	31.6%	43.9%	51.1%	74th	113th of 882
Poverty rate	16.1%	7.1%	11.1%	12.5%	73rd	138th of 909
Median earnings per worker	$49,226	$50,623	$47,712	$49,666	53rd	364th of 910
Income inequality (Gini)	0.427	0.397	0.444	0.483	42nd	280th of 908
Median household income	$70,313	$79,535	$75,059	$80,734	36th	544th of 896
Per capita income	$32,551	$39,351	$40,877	$44,673	26th	719th of 911
Uninsured rateStrength	3.7%	4.7%	5%	8.4%	19th	440th of 911
Diversity index	10.1	10.8	31.4	61.4	4th	582nd of 911
Residents under 18	12.4%	23.1%	22.9%	22%	4th	848th of 911
Self-employed workers	5%	13.4%	10.2%	10%	4th	838th of 911
Population	267	14,632	3,210,507	334,922,499	1st	814th of 911
Population density	6/sq mi	21/sq mi	58/sq mi	95/sq mi	1st	877th of 911
Median home value	$80,000	$176,000	$208,000	$332,700	1st	852nd of 881
Median gross rent	$508	$849	$972	$1,413	1st	750th of 771
Bachelor's degree or higherWeakness	5.8%	22%	31.4%	35.7%	1st	879th of 911
Unemployment rateStrength	0.8%	2.3%	3.6%	5.2%	1st	695th of 911
Broadband accessWeakness	68.7%	86%	88.9%	91%	1st	894th of 909
Foreign-born residents	0%	0.8%	5.9%	14.1%	1st	789th of 911
Tech workers	0%	0.9%	2.9%	3.8%	1st	742nd of 911

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

11%

5–17

10%

18–24

25–34

35–44

11%

45–54

25%

55–64

23%

65–74

75+

Median age

58.7

Under 18

12.4%

65 and over

29.6%

Race and ethnicity

White95%
Black0%
Hispanic1%
Asian0%
Native American0.4%
Pacific Islander0%
Other0%
Multiracial3%

Diversity index

10.1

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

45.7%

Language spoken at home (households)

English only

96%

Spanish

0.8%

Other Indo-European

Asian / Pacific

Other

Households

Households: 131
Average household size: 2
Family households: 61.1%
Married couples: 42%
Living alone: 38.9%
Veterans (of adults): 10.7%
Male / female: 46% / 54%

Income and poverty

Household income distribution

<$25k

30%

$25–50k

11%

$50–75k

12%

$75–100k

32%

$100–150k

10%

$150–200k

$200k+

Median household income

51545

$70,313

Harrison Co.

$79,535

Iowa

$75,059

United States

$80,734

Per capita income

$32,551

U.S. $44,673

Poverty rate

16.1%

U.S. 12.5%

Households earning $150K+

5.3%

U.S. 23%

Income inequality (Gini)

0.427

U.S. 0.483

Housing

Median home value

51545

$80,000

Harrison Co.

$176,000

Iowa

$208,000

United States

$332,700

Median gross rent

51545

$508

Harrison Co.

$849

Iowa

$972

United States

$1,413

Types of housing

Single-family

88%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 173
Owner-occupied: 85.5%
Vacant: 24.3%
Median year built: 1939 or earlier
Median rooms: 5.9
Renters paying 30%+ of income: 57.1%
Renters paying 50%+ of income: 14.3%
Home value to income: 1.1× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

72%

Carpooled

Transit

Walked

Bicycle

Worked from home

21%

Other

Commute time (one way)

<10 min

10–19

20–29

35%

30–44

14%

45–59

19%

60+

23%

Average commute

41.1 min

U.S. 26.4 min

Unemployment

0.8%

U.S. 5.2%

In labor force

50.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

29%

Healthcare

24%

Construction and repair

11%

Production

Sales

Management

Food service

Engineering and science

Transportation and moving

Education

Business and finance

Computer and math

Legal and social services

Arts, media and sports

Police and fire

Cleaning and personal care

Farming, fishing and forestry

Industries

Transportation, warehousing and utilities

27%

Health care and social assistance

17%

Admin, support and management

13%

Retail

Restaurants and hotels

Public administration

Manufacturing

Professional and technical services

Construction

Other services

Agriculture and mining

Information

Education

Finance, insurance and real estate

Wholesale

Arts and recreation

Median earnings per worker

$49,226

U.S. $49,666

Self-employed

U.S. 10%

Government workers

31.1%

U.S. 14.5%

Nonprofit workers

11.8%

U.S. 8.8%

Median earnings by type of work

Type of work	51545	U.S.
Management, business, science and arts	$59,500	$74,888
Service	$79,000	$26,804
Sales and office	$47,798	$40,476
Construction and maintenance	$56,875	$49,199
Production and transportation	$74,688	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

11%

High school

49%

Some college

26%

Associate's

Bachelor's

Graduate

High school graduate or higher: 89.4%
Bachelor's degree or higher: 5.8%
Graduate or professional degree: 0%
Households with broadband: 68.7%
Cable, fiber or DSL: 44.3%
No internet access: 23.7%
Without health insurance: 3.7%
Limited-English households: 0%

Geography

City (USPS): Little Sioux
State: Iowa
County: Harrison County
Center point: 41.8510° N, 96.0146° W
Land area: 46 sq mi
Water area: 0.8 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

51545 spans 2 counties

Harrison County72% of land
Monona County28% of land

Zip codes near 51545

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
51523	Blencoe, IA	5.2 mi	379	$82,625	$136,800
51564	Pisgah, IA	5.5 mi	520	$78,750	$105,400
51557	Mondamin, IA	8.1 mi	828	$76,250	$161,000
51558	Moorhead, IA	8.2 mi	549	$77,417	$100,000
68061	Tekamah, NE	11 mi	2,268	$64,556	$160,200
51040	Onawa, IA	13 mi	3,500	$71,179	$151,600
51550	Magnolia, IA	13 mi	169	$77,500	$105,500
51572	Soldier, IA	14 mi	371	$69,500	$101,300
51556	Modale, IA	14 mi	266	$60,556	$139,600
68020	Decatur, NE	15 mi	644	$48,750	$120,300
51579	Woodbine, IA	16 mi	2,282	$72,500	$204,400
51010	Castana, IA	18 mi	425	$89,063	$114,800

Questions about 51545

What city is zip code 51545?

51545 is assigned to Little Sioux, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 51545 in?

51545 is mostly in Harrison County, but it extends into 1 other county.

What is the population of 51545?

About 267 people live in 51545, according to the Census Bureau's American Community Survey.

What time zone is 51545 in?

51545 is in Central Time.

What is the median household income in 51545?

The median household income in 51545 is $70,313.

What zip codes are near 51545?

The closest zip codes to 51545 are 51523, 51564, 51557, 51558, 68061.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51545, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.